Lake Warnock is a highly nutrient-loaded hypereutrophic lake in Atchison County, Kansas. Water quality is graded F based on 2 sampling years through 2017. Compared to the 4 other monitored lakes in Atchison County, Lake Warnock ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2017-06-12. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 1.7 ft of visibility. Phosphorus level: 509.5 µg/L. Chlorophyll-a: 219 µg/L. Trophic State Index: 82.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.7 ft | F |
| Phosphorus | 509.5 µg/L | F |
| Chlorophyll-a (Algae) | 219 µg/L | F |
| Trophic State Index (TSI) | 82 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Lake Warnock
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Fishing Lake Warnock
Location
County Ranking
Ranked #4 of 5 lakes in Atchison County
Cleaner Lakes Within 30 Miles
Lake Warnock holds Grade F. 4 nearby lakes hold higher grades.
- CNla LakeLeavenworth County · 14.3 mi · Two grade letters higher (F → C)
- DAtchison Co State Fishing LakeAtchison County · 6.8 mi · Higher grade (F → D)
- DNla LakeAtchison County · 17.6 mi · Higher grade (F → D)
- DAtchison County Park LakeAtchison County · 17.9 mi · Higher grade (F → D)
Nearby Lakes in Atchison County
Explore Lake Warnock across LakeGrade
More Kansas Lake Rankings
Other Grade F Lakes in Kansas
Hypereutrophic Lakes in Kansas
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2017-06-12
Monitoring stations: 1